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Nexus/server/api/auth.py
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"""Nexus — Auth API Routes (Login / TOTP / Session management)
Presentation layer — receives HTTP requests, delegates to AuthService.
"""
from typing import Optional
from fastapi import APIRouter, Depends, HTTPException, Request
from server.api.dependencies import get_auth_service
from server.application.services.auth_service import AuthService
router = APIRouter(prefix="/api/auth", tags=["auth"])
@router.post("/login", response_model=dict)
async def login(
request: Request,
payload: dict,
service: AuthService = Depends(get_auth_service),
):
"""Authenticate admin user (password + optional TOTP)
Body: {
"username": "admin",
"password": "...",
"totp_code": "123456" // Optional, required if TOTP enabled
}
"""
ip_address = request.client.host if request.client else "unknown"
result = await service.login(
username=payload.get("username", ""),
password=payload.get("password", ""),
ip_address=ip_address,
totp_code=payload.get("totp_code"),
)
if not result["success"]:
status_code = 401
if result.get("reason") == "account_locked":
status_code = 429
raise HTTPException(status_code=status_code, detail=result.get("message", "Login failed"))
return result
@router.post("/totp/setup", response_model=dict)
async def setup_totp(
payload: dict,
service: AuthService = Depends(get_auth_service),
):
"""Generate TOTP secret for admin user (requires valid session token)
Body: {"admin_id": 1}
"""
# TODO: Verify session token from Authorization header
admin_id = payload.get("admin_id")
if not admin_id:
raise HTTPException(status_code=400, detail="admin_id required")
result = await service.setup_totp(admin_id)
if not result["success"]:
raise HTTPException(status_code=400, detail=result.get("reason", "Setup failed"))
return result
@router.post("/totp/enable", response_model=dict)
async def enable_totp(
payload: dict,
service: AuthService = Depends(get_auth_service),
):
"""Enable TOTP after verification (requires valid session token)
Body: {"admin_id": 1, "totp_code": "123456"}
"""
admin_id = payload.get("admin_id")
totp_code = payload.get("totp_code")
if not admin_id or not totp_code:
raise HTTPException(status_code=400, detail="admin_id and totp_code required")
result = await service.enable_totp(admin_id, totp_code)
if not result["success"]:
raise HTTPException(status_code=400, detail=result.get("message", "Enable failed"))
return result
@router.post("/totp/disable", response_model=dict)
async def disable_totp(
payload: dict,
service: AuthService = Depends(get_auth_service),
):
"""Disable TOTP for admin user (requires valid session token)
Body: {"admin_id": 1}
"""
admin_id = payload.get("admin_id")
if not admin_id:
raise HTTPException(status_code=400, detail="admin_id required")
result = await service.disable_totp(admin_id)
return result